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Physics

Physics
Which law relates to the ideal gas law?

P1T1 = P2T2
P1/V1 = P2/V2
P1V1 = P2V2
T1/V1 = T2/V2

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Physics
An optically plane surface reflects a beam of light

As parallel beams in all directions
As a diffused beam in one direction
As a parallel beam in one direction
As diffused beams in all directions

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Physics
Which of the following is not caused by atmospheric refraction of light ?

Sun appearing higher in the sky than it actually is
Sun becoming visible two or three minutes before actual sunrise
Sun appearing red at sunset
Twinkling of stars at night

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Physics
The rate at which energy is transferred is called

Power
Volt
Potential
Watt

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Physics
In a vacuum, all electromagnetic waves have the same

Wavelenth
All listed here
Velocity
Frequency

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Physics
For which one of the following, ''Diodes' are generally used for?

Modulation
Rectification
Amplification
Filtration

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